CN217360748U - Thin film keyboard and panel comprising same - Google Patents
Thin film keyboard and panel comprising same Download PDFInfo
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- CN217360748U CN217360748U CN202221412220.1U CN202221412220U CN217360748U CN 217360748 U CN217360748 U CN 217360748U CN 202221412220 U CN202221412220 U CN 202221412220U CN 217360748 U CN217360748 U CN 217360748U
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- square frame
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- frame shell
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Abstract
The utility model provides a film keyboard and panel including film keyboard belongs to control keyboard technical field. The membrane keypad includes a keypad portion and a circuit assembly. The keyboard part comprises a square frame shell, a soft membrane plate and convex membrane keys, a plurality of convex membrane keys are distributed at equal intervals and integrally formed on the surface of the soft membrane plate, the soft membrane plate is fixedly arranged in the square frame shell, and a sealing glue layer is coated between the outer edge of the soft membrane plate and the inner wall of the square frame shell; the circuit assembly comprises a flexible circuit board, an adapter plate and a connector. The pressure flexible diaphragm sheet and the convex membrane button are waterproof flexible membranes, and a sealing adhesive layer between the flexible diaphragm sheet and the square frame shell can play a good sealing effect, so that water stain is prevented from entering the square frame shell to influence the flexible circuit board. The flexible circuit board replaces a traditional mechanical touch switch, the inside of the control switch is not easy to rust, and the service life is prolonged by multiple times.
Description
Technical Field
The utility model relates to a control keyboard field particularly, relates to a film keyboard and panel including film keyboard.
Background
In the switch control part of the underwater video communication system, the switch part in the prior art adopts a tact switch of a mechanical mechanism. When the underwater video call system is used at sea for operation, due to much rainwater and moist air at sea, a tact switch in the switch control part of the underwater view screen call system is easy to contact rainwater and moisture in moist air to cause the mechanical contact point to be rusted, and the keys of the switch control part of the underwater view screen call system are normally used.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a membrane keyboard and panel including membrane keyboard aims at improving because marine many rainwater and air are moist, looks under water the problem that the moisture in the light touch switch among the screen speech system on-off control part contacted rainwater and the humid air easily and lead to the situation that the corrosion takes place for the mechanical contact point.
The utility model discloses a realize like this:
the utility model provides a film keyboard, including keyboard part and circuit module.
The keyboard part comprises a square frame shell, a soft membrane plate and convex membrane keys, a plurality of convex membrane keys are distributed at equal intervals and integrally formed on the surface of the soft membrane plate, the soft membrane plate is fixedly arranged in the square frame shell, and a sealing glue layer is coated between the outer edge of the soft membrane plate and the inner wall of the square frame shell;
the circuit assembly comprises a flexible circuit board, an adapter plate and a connector, wherein the connector is installed on the adapter plate, one end of the flexible circuit board is arranged on the back face of the flexible film board, and the other end of the flexible circuit board is connected to the connector.
In an embodiment of the present invention, the flexible printed circuit board includes a flexible substrate, the surface of the flexible substrate is close to the convex membrane key corresponding to the key contact.
In an embodiment of the present invention, the flexible printed circuit board further includes a flat cable plug contact line, the flat cable plug contact line is disposed on the surface of the flexible substrate, two ends of the flat cable plug contact line are respectively connected to the key contacts and the connector electrically connected to the connector.
In an embodiment of the present invention, the outer surface of the square frame shell is provided with an anti-rust plating layer.
In one embodiment of the present invention, the thickness of the plating layer outside the square frame case is 0.1mm to 0.12 mm.
In an embodiment of the present invention, the outer surface of the square frame is arranged in a circular arc structure.
A panel comprising a membrane keypad comprises a membrane keypad as described.
The utility model has the advantages that: the utility model discloses a film keyboard that above-mentioned design obtained and panel including film keyboard, during the use, protruding membrane button on the flaccid diaphragm board is pressed to the finger, corresponds the button contact on the flexible line way board and realizes looking under water screen communication system and control the operation. The pressure flexible membrane sheet and the convex membrane key are waterproof flexible membranes, and a sealing adhesive layer between the flexible membrane sheet and the square frame shell can play a good sealing effect, so that water stain is prevented from entering the square frame shell to influence the flexible circuit board. The flexible circuit board replaces a traditional mechanical touch switch, the inside of the control switch is not easy to rust, and the service life is prolonged by multiple times.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a membrane keyboard and a panel structure including the membrane keyboard according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a flexible printed circuit provided in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural diagram of the keyboard portion and the flexible printed circuit board according to an embodiment of the present invention.
In the figure: 10-a keyboard portion; 110-square frame shell; 120-soft diaphragm sheet; 130-convex membrane key; 140-a sealant layer; 20-circuit components; 210-a flexible wiring board; 211-a flexible substrate; 212-Key contact; 213-bus line plug contact line; 220-an adapter plate; 230-joint piece.
Detailed Description
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a membrane keyboard, which includes a keyboard portion 10 and a circuit assembly 20.
Referring to fig. 1 and 3, the keyboard portion 10 includes a square frame case 110, a flexible membrane plate 120, and convex membrane keys 130. The plurality of convex film keys 130 are distributed at equal intervals and integrally formed on the surface of the soft film plate 120, the soft film plate 120 is fixedly arranged inside the square frame shell 110, and a sealing adhesive layer 140 is coated between the outer edge of the soft film plate 120 and the inner wall of the square frame shell 110. The circuit assembly 20 includes a flexible circuit board 210, an interposer 220 and a connector 230, wherein the connector 230 is mounted on the interposer 220, one end of the flexible circuit board 210 is disposed on the back of the diaphragm plate 120, and the other end of the flexible circuit board 210 is connected to the connector 230.
The finger presses the convex membrane key 130 on the flexible membrane sheet 120, and the key contact 212 on the corresponding flexible circuit board 210 realizes the control operation of the underwater video call system. The soft membrane pressing plate 120 and the convex membrane keys 130 are both waterproof soft membranes, and the sealing adhesive layer 140 between the soft membrane pressing plate 120 and the square frame shell 110 can play a good sealing effect to prevent water stains from entering the square frame shell 110 to affect the flexible circuit board 210. The flexible circuit board 210 replaces a traditional mechanical touch switch, so that the interior of the control switch is not easy to rust, and the service life is prolonged by multiple times.
In the foregoing embodiment, referring to fig. 2, the flexible printed circuit 210 includes a flexible substrate 211, and a key contact 212 is correspondingly disposed on a surface of the flexible substrate 211 near the membrane key 130. The flexible circuit board 210 further includes a flat cable plug contact line 213, the flat cable plug contact line 213 is disposed on the surface of the flexible substrate 211, and two ends of the flat cable plug contact line 213 are electrically connected to the key contacts 212 and the connector 230, respectively. The interposer 220 and the connector assembly 230 may be connected to the flex circuit board 210 at the flex circuit plug contact line 213, i.e., to provide a mating connection with the key contacts 212 in the flex circuit board 210. The short circuit of the resistor corresponding to each key contact 212 can generate a current signal to the mainboard single chip microcomputer, and the single chip microcomputer can correspond to a menu required by calling.
Further, an outer surface of the square frame case 110 is provided with a rust-proof plating layer. The thickness of the plating layer outside the square frame case 110 is 0.1mm to 0.12 mm. The outer surface of the square frame case 110 is arranged in a circular arc structure. The square frame case 110 of the circular arc structure is to increase the tactile sensation. The square frame shell 110 with the electroplated layer has better antirust and anticorrosive properties, so that the square frame shell 110 can be used for a long time in a humid marine environment and is not easy to damage.
The working principle of the membrane keyboard and the panel comprising the membrane keyboard is as follows: when the underwater video call system is used, a finger presses the convex membrane key 130 on the membrane sheet 120, and the control operation of the underwater video call system is realized corresponding to the key contact 212 on the flexible circuit board 210. The soft membrane pressing plate 120 and the convex membrane keys 130 are both waterproof soft membranes, and the sealing adhesive layer 140 between the soft membrane pressing plate 120 and the square frame shell 110 can play a good sealing effect to prevent water stains from entering the square frame shell 110 to affect the flexible circuit board 210. The flexible circuit board 210 replaces a traditional mechanical touch switch, so that the inside of the control switch is not easy to rust, and the service life is prolonged by several times.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A membrane keyboard is characterized by comprising
The keyboard comprises a keyboard part (10), wherein the keyboard part (10) comprises a square frame shell (110), a plurality of convex membrane buttons (130) and convex membrane buttons (130), the convex membrane buttons (130) are distributed at equal intervals and integrally formed on the surface of the convex membrane buttons (120), the soft membrane buttons (120) are fixedly arranged inside the square frame shell (110), and a sealing adhesive layer (140) is coated between the outer edge of the soft membrane button (120) and the inner wall of the square frame shell (110);
the circuit component (20), the circuit component (20) includes flexible line way board (210), keysets (220) and connects piece (230), connect piece (230) install in keysets (220) are last, flexible line way board (210) one end set up in the flexible membrane diaphragm board (120) back, just flexible line way board (210) other end connect in connect piece (230).
2. The membrane keyboard as claimed in claim 1, wherein the flexible circuit board (210) comprises a flexible substrate (211), and the surface of the flexible substrate (211) is provided with key contacts (212) near the membrane keys (130).
3. The membrane keyboard of claim 2, wherein the flexible circuit board (210) further comprises a flat cable plug contact line (213), the flat cable plug contact line (213) is disposed on the surface of the flexible substrate (211), and two ends of the flat cable plug contact line (213) are electrically connected to the key contacts (212) and the connector (230), respectively.
4. The membrane keyboard as claimed in claim 1, wherein the outer surface of the square frame case (110) is provided with a rust-proof plating layer.
5. The membrane keypad of claim 4, wherein the thickness of the plated layer on the outer side of the square frame case (110) is 0.1mm to 0.12 mm.
6. The membrane keyboard as claimed in claim 5, wherein the outer surface of the square frame case (110) is disposed in a circular arc structure.
7. A panel comprising a membrane keypad, characterized in that it comprises a membrane keypad according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221412220.1U CN217360748U (en) | 2022-06-01 | 2022-06-01 | Thin film keyboard and panel comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221412220.1U CN217360748U (en) | 2022-06-01 | 2022-06-01 | Thin film keyboard and panel comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217360748U true CN217360748U (en) | 2022-09-02 |
Family
ID=83017326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221412220.1U Active CN217360748U (en) | 2022-06-01 | 2022-06-01 | Thin film keyboard and panel comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217360748U (en) |
-
2022
- 2022-06-01 CN CN202221412220.1U patent/CN217360748U/en active Active
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